Dinan monthly weather averages

Contents

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Dinan

Dinan average temperature chart (Celsius) Dinan average temperature chart (Fahrenheit)
Average monthly temperatures in Dinan (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 7.9 8.6 10.8 13.1 16.4 19.5 21.8 21.5 19.8 15.9 11.4 8.8
°F 46.3 47.5 51.4 55.6 61.5 67.2 71.3 70.8 67.6 60.7 52.5 47.8

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Dinan monthly rainfall chart (mm) Dinan monthly rainfall chart (inches)
Average monthly rainfall in Dinan (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 81 69 62 50 60 50 42 49 62 75 93 87
inches 3.2 2.7 2.5 2 2.4 2 1.7 1.9 2.4 2.9 3.6 3.4
Rainy days 19 16 16 14 15 11 11 12 13 15 18 18

Average annual rainfall in Dinan: 826.334mm (325.3 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Dinan

Dinan average daily sunshine chart
Average daily sunshine Dinan
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 2.4 3.6 4.9 6.6 7.7 8.4 8.8 7.9 6.4 4.6 3 2.3

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Dinan average minimum / maximum temperatures (Celsius) Dinan average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Dinan (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 3 3.1 4.1 5.7 8.4 11.3 13.2 13.3 11.9 9.3 5.9 3.9
Max °C 8.1 8.8 11 13.3 16.6 19.8 22.1 21.8 20 16.1 11.6 8.9
Min °F 37.3 37.5 39.3 42.3 47.1 52.3 55.7 55.9 53.3 48.7 42.5 39
Max °F 41.9 42.6 45.5 49.1 54.5 59.9 63.7 63.5 60.6 54.9 47.7 43.5

Sea temperature

The graph below shows the average sea temperature.

Dinan average sea temperature chart (Celsius) Dinan average sea temperature chart (Fahrenheit)
Average sea temperature around Dinan in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 10.6 9.6 9.5 10.5 12.4 14.8 16.8 17.6 17 15.5 13.7 11.9
°F 51 49.3 49.2 50.9 54.3 58.7 62.2 63.8 62.6 60 56.7 53.4

Wind speed

The graph below shows the average wind speed.

Dinan average winspeed by month (km/h) Dinan average winspeed by month (mph)
Average wind speed in Dinan (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 19 18 18 18 16 15 15 14 15 16 17 18
mph 12 11 11 11 10 9 9 9 9 10 11 11

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Dinan relative humidity averages
Average relative humidity in Dinan
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
88% 85% 81% 78% 78% 78% 77% 79% 80% 83% 85% 86%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Dinan weather stats

Dinan weather statistics
Hottest month: July 21.8°C 71.2°F
Driest month: July 42mm 1.7ins
Sunniest month: July 8.8hrs
Coldest month: January 7.9°C 46.2°F
Wettest month: November 93mm 3.7ins
Warmest sea: August 17.6°C 63.7°F
Map showing location of Dinan (48.45, -2.03333) Dinan map pin © Google

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